On 08/16/2014 06:35 AM, Ville Ylenius wrote: > Hi, > > there is a small typo in the example code of the man page of > "process_vm_readv" > (http://man7.org/linux/man-pages/man2/process_vm_readv.2.html): > > #include <sys/uio.h> > > int > main(void) > { > struct iovec local[2]; > struct iovec remote[1]; > char buf1[10]; > char buf2[10]; > ssize_t nread; > pid_t pid = 10; /* PID of remote process */ > > local[0].iov_base = buf1; > local[0].iov_len = 10; > local[1].iov_base = buf2; > local[1].iov_len = 10; > remote[0].iov_base = (void *) 0x10000; > remote[1].iov_len = 20; /**** <---- TYPO: 1 --> 0 ****/ > > nread = process_vm_readv(pid, local, 2, remote, 1, 0); > if (nread != 20) > return 1; > else > return 0; > } > > > There is no two objects in "remote"-array so program corrupts other > variables memory. > > Please change > > remote[1].iov_len = 20; > > to > > remote[0].iov_len = 20; Thanks, Ville. Fixed now. Cheers, Michael -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
